Affiliation: University of Oslo
- Infrequent, but not frequent, reinforcers produce more variable responding and deficient sustained attention in young children with attention-deficit/hyperactivity disorder (ADHD)Heidi Aase
Norwegian Center for Studies of Conduct Problems and Innovative Practice, UNIRAND Ltd, University of Oslo, Norway
J Child Psychol Psychiatry 47:457-71. 2006..The present study was designed to analyze the influence of reinforcement frequency on operationalized measures of hyperactivity, impulsiveness, sustained attention, and response variability...
- The spontaneously hypertensive rat model of ADHD--the importance of selecting the appropriate reference strainTerje Sagvolden
Institute of Basic Medical Sciences, University of Oslo, Norway
Neuropharmacology 57:619-26. 2009..Finally, we argue that WKY rats obtained from Charles River, Germany (WKY/NCrl) provide a promising model for the predominantly inattentive subtype of ADHD (ADHD-PI); in this case also the WKY/NHsd substrain should be used as control...
- Rodent models of attention-deficit/hyperactivity disorderTerje Sagvolden
Center for Advanced Study at the Norwegian Academy of Science and Letters, Department of Physiology, Institute of Basic Medical Sciences, University of Oslo, Oslo, Norway
Biol Psychiatry 57:1239-47. 2005....
- A dynamic developmental theory of attention-deficit/hyperactivity disorder (ADHD) predominantly hyperactive/impulsive and combined subtypesTerje Sagvolden
Department of Physiology, University of Oslo, NO 0317 Oslo, Norway
Behav Brain Sci 28:397-419; discussion 419-68. 2005..The theory describes how individual predispositions interact with these conditions to produce behavioral, emotional, and cognitive effects that can turn into relatively stable behavioral patterns...
- Attention-deficit/hyperactivity disorder (ADHD) behaviour explained by dysfunctioning reinforcement and extinction processesEspen Borgå Johansen
Department of Physiology, University of Oslo, PO Box 1103 Blindern, N 0317 Oslo, Norway
Behav Brain Res 130:37-45. 2002..Etiologically, dopamine dysfunctioning will probably mainly be genetically determined while sometimes be induced by environmental factors like drugs of abuse or pollutants, which may explain geographical differences in prevalence rates...
- Moment-to-moment dynamics of ADHD behaviourHeidi Aase
Norwegian Centre for the Studies of Conduct Problems and Innovative Practice, UNIRAND, University of Oslo, PO Box 1565 Vika, 0118 Oslo, Norway
Behav Brain Funct 1:12. 2005..The present study investigated acquisition of response sequences in the behaviour of children with ADHD...
- Frequency and latency of social interaction in an inclusive kindergarten setting: a comparison between typical children and children with autismErik Jahr
Akershus University Hospital, Norway
Autism 11:349-63. 2007..The results for the typical children may be used as benchmark values for the assessment of treatment outcome for children with autism...
- The control of responsiveness in ADHD by catecholamines: evidence for dopaminergic, noradrenergic and interactive rolesRobert D Oades
Clinic for Child and Adolescent Psychiatry, University of Duisburg Essen, Germany
Dev Sci 8:122-31. 2005..Recent insights into the previously underestimated role of the NA system in the control of mesocortical DA function, and the frontal role in processing information are elaborated...